Charm, Murder, Leap, Shiver, and Crash

A group of frogs is called an army.
A group of geese is called a gaggle.
A group of crows is called a murder.
A group of leopards is called a leap.
A group of turtles is called a bale.
A group of mallards is called a flush.
A group of moles is called a labor.
A group of woodpeckers is called a descent.
A group of hummingbirds is called a charm.
A group of toads is called a knot.
A group of hippopotamuses is called a bloat.
A group of rhinos is called a crash.
A group of owls is called a parliament.
A group of sharks is called a shiver.
A group of kangaroos is called a mob.
A group of tigers is called a streak.